Originally according to western Oregon universities' site: "brief history of the Periodic Table" the creators wanted a way to track the elements. Originally it was just the elements found in nature. The man made elements came later and were added to the already widely used table. I don't have WOU'S site for reference but you can find it easily from Google. Or just type in" brief history of periodic table" into you favorite search engine.
including "unknown elements" there are 59 elements in half of the periodic table, not including them there is 55.5 Added: 92 natural elements/2 = 46 natural elements make up 1/2 periodic table.
Artificial elements.
It is named The PERIODIC TABLE. The periods being the horizontal rows The groups being the vertical columns.
Yes, all the elements (natural or artificial) are contained in the periodic (Mendeleev) table of the elements.
There are 53 Elements in the Periodic Table.
including "unknown elements" there are 59 elements in half of the periodic table, not including them there is 55.5 Added: 92 natural elements/2 = 46 natural elements make up 1/2 periodic table.
Artificial elements.
It is named The PERIODIC TABLE. The periods being the horizontal rows The groups being the vertical columns.
Yes, all the elements (natural or artificial) are contained in the periodic (Mendeleev) table of the elements.
It is called the Periodic Table of Elements.
There are 53 Elements in the Periodic Table.
Elements of the Periodic Table
Yes, there were elements on the first periodic table. I believe that there are still elements on the periodic table.
92 elements occur naturally on the periodic table.
118 elements are in the periodic table of elements; some of them are still unnamed (January 2013).
Russian chemist Dmitri Mendeleev (1834-1907) published the first periodic table of elements in 1869.
periodic table is an arrangement of elements. Thiamin is not an element and hence not on the periodic table.